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Diffstat (limited to 'arch/s390/kernel/setup.c')
-rw-r--r--arch/s390/kernel/setup.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index ca070d260af2..ce0cbd6ba7ca 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -62,6 +62,7 @@
#include <asm/os_info.h>
#include <asm/sclp.h>
#include <asm/sysinfo.h>
+#include <asm/numa.h>
#include "entry.h"
/*
@@ -76,7 +77,7 @@ EXPORT_SYMBOL(console_devno);
unsigned int console_irq = -1;
EXPORT_SYMBOL(console_irq);
-unsigned long elf_hwcap = 0;
+unsigned long elf_hwcap __read_mostly = 0;
char elf_platform[ELF_PLATFORM_SIZE];
int __initdata memory_end_set;
@@ -688,7 +689,7 @@ static void __init setup_memory(void)
/*
* Setup hardware capabilities.
*/
-static void __init setup_hwcaps(void)
+static int __init setup_hwcaps(void)
{
static const int stfl_bits[6] = { 0, 2, 7, 17, 19, 21 };
struct cpuid cpu_id;
@@ -754,9 +755,11 @@ static void __init setup_hwcaps(void)
elf_hwcap |= HWCAP_S390_TE;
/*
- * Vector extension HWCAP_S390_VXRS is bit 11.
+ * Vector extension HWCAP_S390_VXRS is bit 11. The Vector extension
+ * can be disabled with the "novx" parameter. Use MACHINE_HAS_VX
+ * instead of facility bit 129.
*/
- if (test_facility(129))
+ if (MACHINE_HAS_VX)
elf_hwcap |= HWCAP_S390_VXRS;
get_cpu_id(&cpu_id);
add_device_randomness(&cpu_id, sizeof(cpu_id));
@@ -793,7 +796,9 @@ static void __init setup_hwcaps(void)
strcpy(elf_platform, "z13");
break;
}
+ return 0;
}
+arch_initcall(setup_hwcaps);
/*
* Add system information as device randomness
@@ -879,11 +884,7 @@ void __init setup_arch(char **cmdline_p)
setup_lowcore();
smp_fill_possible_mask();
cpu_init();
-
- /*
- * Setup capabilities (ELF_HWCAP & ELF_PLATFORM).
- */
- setup_hwcaps();
+ numa_setup();
/*
* Create kernel page tables and switch to virtual addressing.